﻿namespace IP_Package.GUI
{
    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Windows.Forms;

    /// <summary>
    /// the contrast and brightness form
    /// </summary>
    public partial class ContrastAndBrightness : Form
    {
        /// <summary>
        /// OPERATION Britness
        /// </summary>
        private IPPackage.ImageOperation.HistoOperation opretion = new IPPackage.ImageOperation.HistoOperation();

        /// <summary>
        /// buffer of orignal image
        /// </summary>
        private Color[,] bufferOfImage;

        /// <summary>
        /// flag to known if it save in orginal or not
        /// </summary>
        private bool saveOrNot;

        /// <summary>
        /// result image
        /// </summary>
        private Bitmap resultImg;

        /// <summary>
        /// Initializes a new instance of the <see cref="ContrastAndBrightness"/> class.
        /// </summary>
        public ContrastAndBrightness()
        {
            this.InitializeComponent();
        }

        /// <summary>
        /// Gets or sets a value indicating whether [save or not1].
        /// </summary>
        /// <value>
        ///   <c>true</c> if [save or not1]; otherwise, <c>false</c>.
        /// </value>
        public bool SaveOrNot1
        {
            get { return this.saveOrNot; }
            set { this.saveOrNot = value; }
        }

        /// <summary>
        /// Gets or sets the buffer of image.
        /// </summary>
        /// <value>
        /// The buffer of image.
        /// </value>
        public Color[,] BufferOfImage
        {
            get { return this.bufferOfImage; }
            set { this.bufferOfImage = value; }
        }

        /// <summary>
        /// Gets or sets the result img.
        /// </summary>
        /// <value>
        /// The result img.
        /// </value>
        public Bitmap ResultImg
        {
            get { return this.resultImg; }
            set { this.resultImg = value; }
        }

        /// <summary>
        /// Sets the info of orignal image.
        /// </summary>
        /// <param name="image">The orginal image.</param>
        /// <param name="width">The width of orignal image.</param>
        /// <param name="height">The height of orignal image.</param>
        /// <param name="bufferOfImage">The buffer of orignal image.</param>
        internal void SetInfo(Image image, string width, string height, Color[,] bufferOfImage)
        {
            this.picOrg.Image = image;
            this.LabWdth.Text = width;
            this.LabHth.Text = height;
            this.bufferOfImage = bufferOfImage;
        }

        /// <summary>
        /// Handles the Click event of the Button3 control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
        private void Button3_Click(object sender, EventArgs e)
        {
            try
            {
               this.opretion.BufferOfImage = this.BufferOfImage;
                 this.resultImg = this.opretion.Britness(int.Parse(this.txtbOffset.Text));
                 this.picbBrit_contrast.Image = this.resultImg;
                 this.bufferOfImage = this.opretion.NewBufferOfImage;
            }
            catch
            {
                MessageBox.Show("operation fail make sure your data");
            }
        }

        /// <summary>
        /// Handles the Click event of the btnCancel control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
        private void BtnCancel_Click(object sender, EventArgs e)
        {
            this.saveOrNot = false;
            this.Close();
        }

        /// <summary>
        /// Handles the Click event of the BtnOk control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
        private void BtnOk_Click(object sender, EventArgs e)
        {
            if (this.resultImg == null)
            {
                try
                {
                    this.opretion.BufferOfImage = this.BufferOfImage;
                    this.resultImg = this.opretion.Britness(int.Parse(this.txtbOffset.Text));
                    this.picbBrit_contrast.Image = this.resultImg;
                    this.bufferOfImage = this.opretion.NewBufferOfImage;
                }
                catch
                {
                    MessageBox.Show("operation fail make sure your data");
                }
            }

            this.bufferOfImage = this.opretion.NewBufferOfImage;
            this.saveOrNot = true;
            this.Close();
        }

        /// <summary>
        /// Handles the Click event of the BtnApplyContrast control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
        private void BtnApplyContrast_Click(object sender, EventArgs e)
        {
            this.opretion.BufferOfImage = this.BufferOfImage;
            try
            {
                IPPackage.ImageOperation.Histogram histo = new IPPackage.ImageOperation.Histogram();
                histo.BufferOfImage = this.BufferOfImage;
                this.resultImg = this.opretion.Contrast(int.Parse(this.txtbContrast.Text), histo);
                this.picbBrit_contrast.Image = this.resultImg;
            }
            catch (Exception ex)
            {
                MessageBox.Show("operation fail make sure your data");
                IPPackage.Logger.LogException(ex);
            }

            this.opretion.BufferOfImage = this.BufferOfImage;
            try
            {
                IPPackage.ImageOperation.Histogram histo = new IPPackage.ImageOperation.Histogram();
                histo.BufferOfImage = this.BufferOfImage;
                this.resultImg = this.opretion.Contrast(int.Parse(this.txtbContrast.Text), histo);
                this.picbBrit_contrast.Image = this.resultImg;
            }
            catch (Exception ex)
            {
                MessageBox.Show("operation fail make sure your data");
                IPPackage.Logger.LogException(ex);
            }
        }

        /// <summary>
        /// Handles the Scroll event of the TrackbBritness control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
        private void TrackbBritness_Scroll(object sender, EventArgs e)
        {
            this.txtbOffset.Text = this.trackbBritness.Value.ToString();
            this.opretion.BufferOfImage = this.BufferOfImage;
            this.resultImg = this.opretion.Britness(int.Parse(this.txtbOffset.Text));
            this.picbBrit_contrast.Image = this.resultImg;
        }

        /// <summary>
        /// Handles the Scroll event of the TrackbContrast control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
        private void TrackbContrast_Scroll(object sender, EventArgs e)
        {
            this.txtbContrast.Text = this.trackbContrast.Value.ToString();
            this.opretion.BufferOfImage = this.BufferOfImage;
            IPPackage.ImageOperation.Histogram histo = new IPPackage.ImageOperation.Histogram();
            this.resultImg = this.opretion.Contrast(int.Parse(this.txtbContrast.Text), histo);
            this.picbBrit_contrast.Image = this.resultImg;
        }
    }
}
